#4F7579
Closest named color: Metallic Blue (#4F738E). oklch(53.6% 0.043 204.2), rgb(79, 117, 121).
Aa
White text reads best on this color (5.05:1).
About this color
#4F7579 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.043 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.036 away. White text reads best on it, at 5.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #4F7579 |
| RGB | rgb(79, 117, 121) |
| HSL | hsl(186, 21%, 39%) |
| OKLCH | oklch(53.6% 0.043 204.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4F7579 | 5.05:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #4F7579 | 4.15:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #4F7579 text on white | 5.05:1 | AA | Lc 74.9 | Content text, not long reading |
| #4F7579 text on black | 4.15:1 | AA large text | Lc -26.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D1DBDC
oklch(88.4% 0.011 204.1)
-
Step 300
300
#B3C4C6
oklch(80.8% 0.019 205.3)
-
Step 400
400
#8BA7AA
oklch(70.8% 0.031 204.4)
-
Step 500
500
#6D9195
oklch(63.1% 0.04 204.7)
-
Step 600
600 (this color)
#4F7579
oklch(53.6% 0.043 204.2)
-
Step 700
700
#45686B
oklch(49.2% 0.04 202.7)
-
Step 800
800
#395557
oklch(42.8% 0.034 201.6)
-
Step 900
900
#314648
oklch(37.7% 0.026 203.5)
-
Step 950
950
#1D292A
oklch(27% 0.017 202.6)
#4F7579 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6F7279 | 0.043 |
| Deuteranopia (no green cones) | #686C79 | 0.040 |
| Tritanopia (no blue cones) | #3F7876 | 0.020 |
| Achromatopsia (no color) | #6F6F6F | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F7579
#4F7579
oklch(53.6% 0.043 204.2)
- #856461
#856461
oklch(53.6% 0.043 24.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4F7579, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.036
- Battleship Gray #6C757D ΔE 0.039
- Dim Gray #696969 ΔE 0.046
- Deep Aqua #08787F ΔE 0.046
- Battleship Grey #6B7C85 ΔE 0.047
- Slate #516572 ΔE 0.047
- Grey Blue #647D8E ΔE 0.047
- Bluegreen #017A79 ΔE 0.049
Use #4F7579 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.